Apparatus for making a fracture cut between the cup and the safety ring in plastic caps
a technology of plastic caps and fractures, which is applied in the direction of cocoa, closures, dough shaping, etc., can solve the problems of repositioning the cup, and is a rather complicated operation
Active Publication Date: 2010-03-09
SACMI COOP MECCANICI IMOLA SOC COOP A R L
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- Abstract
- Description
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AI Technical Summary
Benefits of technology
The present invention provides an apparatus for making a fracture cut between the cup and the safety ring in plastic caps. The apparatus allows for easy repositioning of the cup after the cut is made. It is adaptable to caps of various shapes and sizes and is simple and cost-effective to use. The apparatus includes rotary means with a mandrel that can be placed inside the cup and roll its side wall along the cutting edge of a blade. The blade is associated with an inlet path portion that offsets the cup with respect to the rotation axis of the mandrel by clamping the cup's side wall against the mandrel. The rotary means are driven by a motor through belt drive elements.
Problems solved by technology
Repositioning the cup, moreover, is a rather complicated operation in view of the many shapes and dimensions that characterize commercially available caps.
Method used
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Embodiment Construction
[0016]With particular reference to the cited figures, the reference numeral 1 generally designates an apparatus for making a fracture cut between the cup and the safety ring in plastic caps 2 according to the invention.
[0017]The apparatus, of the type suitable to make a fracture cut between the cup 3 and the safety ring 4 in caps 2 to be applied so as to close containers (the cup 3 being preferably provided with internal retention elements 5 for engagement on a collar provided on the respective container), comprises a footing 6, which protrudes upward with a substantially vertical frame 7 that is constituted by parallel uprights 8 that support a beam 9 (see FIG. 1).
[0018]The footing 6 rotatably supports a rotary carousel 10, which has a vertical axis and is preset to convey continuously the caps 2 between input and output conveyance means, not shown in the figures. The footing 6 furthermore supports rotary means 11, which are provided with a plurality of mandrels 12 that have a vert...
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Abstract
An apparatus for making a fracture cut between the cup and the safety ring in plastic caps, which comprises rotary elements provided with at least one mandrel that can be arranged inside the cup and is suitable to produce the rolling, about its own axis of symmetry, of the side wall of the cup along the cutting edge of a blade for making the cut, the blade being associated with an inlet path portion adapted to axially offset the cup with respect to the rotation axis of the mandrel by clamping the side wall against the mandrel; the apparatus also comprises elements for recentering the cup with respect to the rotation axis.
Description
[0001]The present invention relates to an apparatus for making a fracture cut between the cup and the safety ring in plastic caps.BACKGROUND OF THE INVENTION[0002]Apparatuses are known which produce, on the side wall of plastic caps, a circumferential fracture cut that forms the safety ring that remains attached to the container after tearing the cup from the cap: for this purpose, inside the cup there are retention elements, obtained for example by folding inward the end flap of the ring, which are suitable to engage on the protruding collar provided on the neck of the container.[0003]In these apparatuses, the fracture cut is generally provided by rolling the lateral surface of the cap along a blade whose cutting edge is perpendicular to the axis of said cap by means of a mandrel that engages within the cup. In performing said cap rolling step, the mandrel is substantially axially offset with respect to the cup, since the blade is associated with an inlet portion that is suitable t...
Claims
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IPC IPC(8): B26D7/06B26D7/32B26F1/00B65D41/34A23P1/00B26D3/08B26D1/02B26D3/00B28B7/14
CPCB26D1/02B26D7/0608B26F2210/04Y10T82/16967Y10S83/946Y10T82/16Y10S425/809Y10T83/22Y10T83/9372Y10T83/0333
Inventor ALBONETTI, DANILO
Owner SACMI COOP MECCANICI IMOLA SOC COOP A R L